TW323360B - - Google Patents
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- Publication number
- TW323360B TW323360B TW086103984A TW86103984A TW323360B TW 323360 B TW323360 B TW 323360B TW 086103984 A TW086103984 A TW 086103984A TW 86103984 A TW86103984 A TW 86103984A TW 323360 B TW323360 B TW 323360B
- Authority
- TW
- Taiwan
- Prior art keywords
- radiation beam
- ring
- scanning
- carrier
- transparent layer
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims abstract description 87
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 239000000969 carrier Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 111
- 230000004075 alteration Effects 0.000 description 19
- 201000009310 astigmatism Diseases 0.000 description 7
- 238000012937 correction Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000011896 sensitive detection Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 208000002177 Cataract Diseases 0.000 description 1
- 208000006650 Overbite Diseases 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
- G11B7/0909—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by astigmatic methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1376—Collimator lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/24018—Laminated discs
- G11B7/24027—Layers; Shape, structure or physical properties thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimile Heads (AREA)
- Vehicle Body Suspensions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB1996/000182 WO1996028816A2 (en) | 1995-03-15 | 1996-03-08 | Device for optically scanning a recording medium |
| EP96201832 | 1996-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW323360B true TW323360B (de) | 1997-12-21 |
Family
ID=8224134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW086103984A TW323360B (de) | 1996-03-08 | 1997-03-28 |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0824754B1 (de) |
| JP (1) | JP3804984B2 (de) |
| KR (1) | KR100536102B1 (de) |
| CN (1) | CN1111852C (de) |
| AT (1) | ATE283533T1 (de) |
| BR (1) | BR9702117A (de) |
| DE (1) | DE69731693T2 (de) |
| ES (1) | ES2231855T3 (de) |
| TW (1) | TW323360B (de) |
| WO (1) | WO1997033278A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6088322A (en) | 1998-05-07 | 2000-07-11 | Broome; Barry G. | Single objective lens for use with CD or DVD optical disks |
| CN109496367B (zh) * | 2016-05-12 | 2022-09-09 | 英索莱特股份公司 | 用于捕获入射太阳光并且将其传输到至少一个太阳能电池的光学机械系统和对应的方法 |
| CN110426124A (zh) * | 2019-08-12 | 2019-11-08 | 长春理工大学 | 用于芯片式光谱仪能够实现信号光耦合与对准监测的装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3794414A (en) * | 1972-05-12 | 1974-02-26 | Jessen Inc Wesley | Multiple focal contact lens |
| JPS6273429A (ja) * | 1985-09-26 | 1987-04-04 | Toshiba Corp | 光学式ピツクアツプの位置検出装置 |
| JP2532818B2 (ja) * | 1993-02-01 | 1996-09-11 | 松下電器産業株式会社 | 対物レンズおよび光ヘッド装置 |
| WO1996028816A2 (en) * | 1995-03-15 | 1996-09-19 | Philips Electronics N.V. | Device for optically scanning a recording medium |
| DE69637896D1 (de) * | 1995-08-30 | 2009-05-20 | Samsung Electronics Co Ltd | Linsenvorrichtung und optisches Abtastgerät mit der Linsenvorrichtung |
| KR100292478B1 (ko) * | 1995-11-15 | 2001-06-01 | 구자홍 | 대물렌즈 |
-
1997
- 1997-02-25 WO PCT/IB1997/000175 patent/WO1997033278A1/en not_active Ceased
- 1997-02-25 EP EP97904531A patent/EP0824754B1/de not_active Expired - Lifetime
- 1997-02-25 KR KR1019970707904A patent/KR100536102B1/ko not_active Expired - Fee Related
- 1997-02-25 DE DE69731693T patent/DE69731693T2/de not_active Expired - Fee Related
- 1997-02-25 ES ES97904531T patent/ES2231855T3/es not_active Expired - Lifetime
- 1997-02-25 CN CN97190168A patent/CN1111852C/zh not_active Expired - Fee Related
- 1997-02-25 AT AT97904531T patent/ATE283533T1/de not_active IP Right Cessation
- 1997-02-25 BR BR9702117A patent/BR9702117A/pt not_active IP Right Cessation
- 1997-02-25 JP JP53160697A patent/JP3804984B2/ja not_active Expired - Fee Related
- 1997-03-28 TW TW086103984A patent/TW323360B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| KR100536102B1 (ko) | 2006-03-20 |
| CN1181834A (zh) | 1998-05-13 |
| JPH11506252A (ja) | 1999-06-02 |
| DE69731693D1 (de) | 2004-12-30 |
| DE69731693T2 (de) | 2005-11-10 |
| CN1111852C (zh) | 2003-06-18 |
| ES2231855T3 (es) | 2005-05-16 |
| JP3804984B2 (ja) | 2006-08-02 |
| WO1997033278A1 (en) | 1997-09-12 |
| BR9702117A (pt) | 1999-01-26 |
| EP0824754B1 (de) | 2004-11-24 |
| ATE283533T1 (de) | 2004-12-15 |
| EP0824754A1 (de) | 1998-02-25 |
| KR19990008377A (ko) | 1999-01-25 |
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